IDENTIFYING COLOR CODE – Gold projectile and cartridge case, Vertical grooves (4) cut in body and projectile (M922A1 most recent), Green or Brown cartridge case with 4 holes drilled through base area, gold projectile with black markings (M922 original)
CASE TYPE – M169 Semi-rimmed straight
CARTRIDGE LENGTH – 11.22 cm (4.42 in)
CASING LENGTH – 53 mm (2.09 in)
CASE HEAD DIAMETER – 41.3 mm (1.62 in
CASE RIM DIAMETER – 43.6 mm (1.716 in)
PROJECTILE TYPE – Solid aluminum with copper rotating band, heavily crimped to cartridge case
PROJECTILE DIAMETER – 41.20 mm (1.623 in) at rotating band
PROJECTILE WEIGHT – 0.245 kg (8.64 oz)
POWDER WEIGHT – None Rubber primer in pocket to protect firing pin